Troubleshooting, Warranty & Recalls

912 topics in this forum

1. Remote Start Noise 2024 2500 HD Gas 1 2

   By BCGM, June 28
   • 17 replies
   • 459 views
   • 
   • BCGM
   • 1 hour ago

2. Ac not keeping up 1 2

   By Aimatdeer, June 21
   • 29 replies
   • 1k views
   • 
   • Grumpy Bear
   • 22 hours ago

3. Disconnecting Battery

   By marpel, Friday at 02:51 AM
   • 5 replies
   • 193 views
   • 
   • Another JR
   • Yesterday at 01:56 PM

4. Recalls 2024 Chevrolet HD

   By BCGM, November 1, 2025
   • 12 replies
   • 1.8k views
   • 
   • BCGM
   • June 28

5. Electrical problem

   By joshua1221, June 5
   • 2 replies
   • 349 views
   • 
   • GMCustomerService
   • June 25

6. OEM Trailer Hitch Receiver - Impact tightened by shop

   By SoCal Angler, June 18
   • 14 replies
   • 564 views
   • 
   • Another JR
   • June 21

7. DTC P2C48 auxiliary cooling pump

   By Newduramaxh*ar, June 13
   • 5 replies
   • 384 views
   • 
   • Newduramaxh*ar
   • June 19

8. Damaged Left Rear Bumper & Left Rear Quarter Panel - Repair Questions

   By SoCal Angler, May 25
   • 4 replies
   • 452 views
   • 
   • GMCustomerService
   • June 15

9. Cracked tailgate touch pad replacement?

   By Alfa Georgia, February 21
   • 3 replies
   • 534 views
   • 
   • Alfa Georgia
   • June 2

10. Keyless touch pad on door

    By bryant87, May 25
    • 3 replies
    • 349 views
    • 
    • GMCustomerService
    • June 1

11. Those with a '23 2500/3500HD - Can you verify a body part for me?

    By SoCal Angler, May 30
    • 3 replies
    • 263 views
    • 
    • chris21
    • May 31

12. AC 3-10min Delay on cold start - NIGHTMARE ISSUES!!! (2020-2023 trucks)

    By UltimateToolReviews, May 19
    • 4 replies
    • 686 views
    • 
    • UltimateToolReviews
    • May 30

13. A/C issue 1 2

    By littleal, April 4
    • 15 replies
    • 1.1k views
    • 
    • Atlas
    • May 22

14. 2021 3500 CCLB LTZ tailgate stuck

    By ChevyGMCfan, May 2
    • 1 reply
    • 377 views
    • 
    • GMCustomerService
    • May 11

15. 2020 Silverado 3500HD Duramax Diesel "Allison" transmission rear wheel lock-up lawsuit

    By RB Patterson, April 28
    • 2 replies
    • 507 views
    • 
    • RB Patterson
    • April 29

16. 2020 3500HD - dead fuel pump module

    By greatmizzou, December 30, 2025
    • 3 replies
    • 729 views
    • 
    • greatmizzou
    • April 26

17. Help replacing brakes on the 2020+ models 1 2

    By UltimateToolReviews, April 15
    • 28 replies
    • 1.8k views
    • 
    • bruceb58
    • April 26

18. Should I buy a bi-directional scan tool? (plus J2534 and TDS)

    By BB_Mike, February 2
    • 4 replies
    • 974 views
    • 
    • jeetS
    • April 17

19. Radio Update

    By djv1951, March 30
    • 2 replies
    • 524 views
    • 
    • djv1951
    • March 30

20. Rear Window Leak and GM warranty warning 1 2

    By bowtie2007, March 18, 2022
    • 28 replies
    • 56.1k views
    • 
    • mrjulian416
    • March 26

21. Hose leak... transmission cooler hose???

    By darleyhavidson, March 3
    • 10 replies
    • 784 views
    • 
    • Another JR
    • March 25

22. Rear leaf spring clunk gone with TSB 21-na-138 fix 1 2

    By Pryme, June 3, 2024
    • 28 replies
    • 10.7k views
    • 
    • Chuck FB
    • March 25

23. 2021 2500HD A/C stops blowing cold at highway speeds

    By summers, July 7, 2024
    • 5 replies
    • 3.3k views
    • 
    • Ottavio
    • March 24

24. Trailer Light Control

    By Hardhands85, March 16
    • 7 replies
    • 748 views
    • 
    • chris21
    • March 19

25. Infotainment audio cuts out.

    By CRApex, March 13
    • 4 replies
    • 567 views
    • 
    • Capt Bob
    • March 15